Home / 794,101.30-1,191,374.29-321,118.81

Finding the Fourth Proportional to 794,101.30, 1,191,374.29 and 321,118.81

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Solution

The fourth proportional to 794,101.30, 1,191,374.29 and 321,118.81 is: 481,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,101.30 : 1,191,374.29 = 321,118.81 : x
  2. Step 2: Convert to fraction form
    794,101.30/1,191,374.29 = 321,118.81/x
  3. Step 3: Cross multiply
    794,101.30x = 1,191,374.29 × 321,118.81
  4. Step 4: Simplify right side
    794,101.30x = 382,572,694,269.40
  5. Step 5: Solve for x
    x = 382,572,694,269.40/794,101.30
  6. Step 6: Final answer
    x = 481,768.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.